"Mods" include:

Engine
.040 over OPM Built Engine w/ ARP head bolts (Full IT legal engine build, run only on Mobil 1 synthetic). Compression #'s were 205-212 across the board prior to the ARRC.
Puckett 4-1 header w/ 2.5" exhaust thru a "cherry bomb" style muffler and undercar dump.
RC Balanced Injectors
AEM Billet FPR
AEM Intake
AEM Oil Cap
Recent rotor/cap/puds
Excel plug wires
Raxles axles

Tranny
6 weekends on tranny after complete teardown and re-assembly by Blake Meredith.
4.7 ATS FD (REM'd and Cryo'd, installed by Blake)
OPM Diff (installed at same time as FD)
SPEC Stage 3 clutch/PP (4 puck disc with sprung hub)
No grinds or issues

Suspension
Koni RACE shortened/revalved "yellows" (no leaks)
GC coil over perches (700F Hypercoil, 1000R ERS)
Custom Speedway rear bar (1.25" diameter, 0.125" wall. Adjusts from 8.75" to 4.75" arm lengths)

Safety/Interior
Recaro Pro Racer XL seat w/ head restraint "wings" (easily the most comfortable seat I've ever ben in)
Recaro side mounts
Recaro double locking sliders
Custom seat mount to chassis
ESS 3 nozzle AFFF fire system (rechargable and can be SFI certified)
Safety Solutions right side net
Safequip "mesh" left side net
Scroth FIA Profi harness (3" shoulder and 2" lap belts, can be rigged as "pull up" or "pull down") Expires Feb 2013
FIA High Density Roll Cage Padding
Longacre Wide View rearview mirror
GT Style left side mirror
Joes Racing convex right side mirror
Momo Suede Type V65 steering wheel
LTB quick release
Autometer Monster Tach w/ Shift light
Autometer Ultralite Oil Pressure, Oil Temp, and Water Temp guages

Other Details
ATL 22 gallon "enduro" fuel cell and bulkhead (stainless braided supply/return lines)
External dry break access
Discriminator/rollover valve for vent line
Tilton Left/Right rear brake bias levers (newly plumbed brake lines)
Goodridge Braided Stainless brake lines from chassis to brake assembly
Longacre kill switch and wiring
Custom Aux and Fuel Pump switches
Push button start
Sparco "retained" hood pins
2" Brake Ducting
AMB Hardwired Transponder
Working heat, defroster, and fan (great for cold/rainy days)

It also comes with tons of spares and a trailer.